4.92 Motor Vehicle Use. The Federal Highway Administration compiles information

Question

4.92 Motor Vehicle Use. The Federal Highway Administration compiles information on motor vehicle use around the globe and publishes its findings in Highway Statistics. Following is a con- tingency table for the number of motor vehicles in use in North American countries, by country and type year. Frequencies are in thousands. of vehicle, during one Country US. Canada Mexico Total Automobiles 129,728 13,138 8,607 151,473 Motorcycles 3,871320 270 4.461 Trucks 75,940 6,9334,28787.160 Total 209.53920.39 13.164 243,094 a. How many cells are in this contingency b. How many vehicles are Canadian? c. How many vehicles are motorcycles? d. How many vehicles are Canadian motorcycles? e. How many vehicles are either Canadian or motorcycles? f. How many automobiles are Mexican? g. How many vehicles are not automobiles? table? Gn4.98 Motor Vehicle Use...Refer to Exercise 4.92 a.) In words, what is the event C,? V,? b.) Construct a Joint Probability Table. Country US. Canada |Mexico A1 Automobiles Motorcycles V, Trucks

Explanation / Answer

Solution:-

4.92)

a) There are 9 cells in contigency table excluding total cells.

b) The number of vehicles that are Canadian is 20,391.

c) The number of vehicles that are moytocycle is 4,461.

d) The number of vehicles that are Canadian motorcycles is 320.

e) The number of vehicles that are either Canadian or motorcycles is 24532.

The number of vehicles that are Canadian is 20,391.

The number of vehicles that are moytocycle is 4,461.

The number of vehicles that are Canadian motorcycles is 320.

The number of vehicles that are either Canadian or motorcycles = 20,391 + 4461 - 320 = 24532

f) The number of vehicles that are mexicans is 13164.

g) The number of vehicles that are not automobiles is 91621.

Number of automobiles = 151,473

Total vehicles = 243,094

The number of vehicles that are not automobiles = 151,473 - 243,094 = 91621

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